It's set up with a keyfile and password to unlock. Database is in the cloud, keyfile on the devices + a 15 character password to unlock the database.
The more vital ones also either require verification through my government issued digital ID or 2FA, so I'm feeling ok safe
Slotted are sometimes the only option, when working in small scales, like M1 and M1.2 because there is so little material in the head of the screw
On larger scales, I totally agree
I've heard Ten yard tracker is good for handegg games